
The Bouvier-Sauvages, a large aristocratic family, meet the much more modest Martin family when their children's wedding is announced. For the occasion, the future bride and groom offer their parents DNA tests, which will reveal their true origins. The results are totally unexpected and will make the effect of a bomb.

as Frédéric Bouvier-Sauvage

as Gérard Martin

as Nicole Martin

as Catherine Bouvier-Sauvage

as François Martin

as Alice Bouvier-Sauvage

as Gérard Martin's father

as Maria, housekeeper

as Mr. Ribeiro, plumber

as Concession Man

as Hairdresser

as Gendarme

as Embassy Counselor

as Genealogist

as Laboratory technician

as Mercedes salesman

as A cousin (uncredited)